Centrifugal machine.



PATENTED NOV. 1 v, 1903.

v J. A. WILLARD. GENTRIPUGAL- MACHINE.

APPLICATION FILED JUNE 12, 1903.

N0 MODEL.

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' UNITED STATE Patented November 17, 1903.

JAMES A. WILLARD, or CHATTANOOGA, TENNESSEE, ASSIGNOR OF THREE- FOURTHSTO WILLIAM M. LASLEY, THEODORE'LASLEY, L. HALL, OF GHATTANOOGA,TENNESSEE.

AN D CHARLES CENTRIFUGAL MACHINE.

SPECIFICATION forming part of Letters Patent No. 744,659, dated November17, 1903.

Application filed June 12, 1903 Serial No. 161,239. (No model.)

in a whom it may concern:

Be it known that I, JAMES A. WILLARD, a citizen of the United States,residing at Chattanooga, in the county of Hamilton and State ofTennessee, have invented new and useful Improvements in CentrifugalMachines, of which the following is a specification.

This invention relates to certain new and useful improvements incentrifugal maro chines. v 1

The in vention aims to construct a centrifugal machine which isespecially adapted for the continuous extracting of liquid from cottonor wool'and is so constructed as to constantl y receive the materialWhichis fed thereto in a uniform manner, extracting the liquidtherefrom, and delivering the material after it has been operated uponout of the machine without having to make the necessary stops fortheloading and unloading of the material, therefore obtaining a greatsaving'o time and labor. I I

The invention further aims to construct a centrifugal machine for thecontinuous extrac'ting of liquid'fro'm cotton or wool which shall beextremely simple in its construction,

strong, durable, efficientinits operation, and I each'providedwithopenings which register comparatively inexpensive to set up.

With the foregoing and other objects in view the invention consists ofthe novel combination and arrangement of parts hereinafter morespecifically described, illustrated in the accompanying drawing, andparticularly pointed out in the claims hereunto appended.

In describing the invention in detail reference is had to theaccompanying drawing, which illustrates a sectional elevation of my newand improved centrifugal machine.

Referring to the drawing by'reference characters, l denotes a hollowsupporting-base, which forms a receiving-chamber 2 for the treatedmaterial andis provided with a closed bottom 3 and a top 4, having an"annular inlet-opening 5. The top 4 is formed with a laterally extendingsupporting flange 6, vwhich is continuous, and the top 4 is furtherprovidedat its inner side with an upwardlyextending continuous flange 7,havinga concave groove in its upper face, as at 8. The

base 1 is preferably cylindrical in contour, although any otherpreferred shape may be employed, and is provided with a suitableopening, so that the treated material can be exhausted therefrom in anysuitable'manner.

Mounted upon the base 1 isa cylindrical casing9, which is adapted in amanner as herein set forth to forma chamber 10 for collecting the water.The casing 9 also forms what may be termed a support for various partsof the machine and is provided at its the casing 9 and substantiallyparallel with a portion ofthebracket15isasubstantiallyforkshapedbearing-bracket, as well as a supporting-bracket 16. The brackets 15Yand16 are with each other, as indicated by the dotted lines 17, and throughthese openings is adapt; ed to extend a driven-shaft 18, havingconnected to its outer end an adjusting-screw 19, which extends througha part of thebracket 16 and is connected to the shaft 18. The lattercarries on its inner end a cone-shaped pulley 20, the latter forming afriction-drive in a manner as hereinafter set forth. The

pulley 20 is secured upon the shaft 18 by means of the fastening device21. Mounted upon the shaft 18 is a drive-pulley 22, which is operated bymeans of a belt 23,'driven by the pulley 24 upon the drive-shaft 25. Thelatter atits inner end is supported by the boxing 26, mounted on theflange 11, and at its outer end is supported in a standard 27.

The reference character 28 denotes a cylinder which is perforatedthroughout and open at its top and bottom, so there will be no interruptionto the material when it is fed to the cylinder or discharged therefrom.This is essential, for the reason that cotton and wool have a tendencyto hang together. Consequently if there were anything extending over themouth of the cylinder or the open bottom thereof it would cause the sameto become choked up. The cylinder 28 is arranged within the casing 9 andis supported at its bottom upon the flange '7 and projects slightlywithin the opening 5 of the top 4 of the base 1. The manner ofsupporting the lower end of the cylinder 28 is as follows: To the outerface of the cylinder is secured an annular band 29, substantiallyL-shaped in cross-section, and has its lower face provided with aconvex-shaped groove 30. The grooves 8 and 30 register with each otherand form a ball-race in which are mounted the bearing-balls 31. Thecylinder 28 then, through the intervention of the band 29, rests uponthe bearing-balls 31. The upper end of the cylinder 28 is supported uponthe inwardlyextending flange ofthe casing 9, and the manner ofsupporting the cylinder28 is as follows: The top of the cylinder 28 hassecured thereto an annular collar 32, having its upper face beveled, asat 33, and provided with the depending lug 34, the latter being securedto the cylinder 28. The collar 32 is of such width as to project asuitable distance over the top of the cylinder 28 and to further projectlaterally therefrom. This lateral extension of thecollar 32 rests uponthe supportingfiange 12, or rather upon the bearing-balls 14, the latteralso bearing against the outer face of the depending lug 34. The beveledsurface 33 of the collar is adapted to be engaged by the cone-shapedpulley 20, so that when motion is imparted to the shaft 18, carrying thecone-shaped pulley therewith, the engagement between the pulley and thebeveled surface 33 will cause the cylinder 28 to be revolved.

Arranged approximately cent-rally of the base 1, in the bottom thereof,is a box or journal 35 for the lower end of the vertically-extendingshaft 36. The shaft 36 extendsnpwardly through the base 1, the cylinder28, and the free end of the bracket 15, the shaft 36 projecting asuitable distance above the bracket 15 and carrying on this projectingend a drive-pulley 37, which is operated by means of the belt 38, thelatter passing over the idler-pulley 39, supported by the bracket 16,and then downwardlyover the drive-pulley 40, mounted upon thedrive-shaft 25. The shaft 36 carries a spiral conveyer 41, the width ofthe same being such as to extend from the periphery of the shaft toalmost the inner face of the cylinder 28, or, in other words, the widthof the conveyer 41 is such that it extends from the periphery of theshaft to near the inner face of the cylinder 28, so that it will justclear the latter when the conveyer is operated. The length of theconveyer is such as to extend from the lower end of the cylinder 28 tovery near the top thereof.

The shaft 25 is provided with the fast and loose pulleys 42 43,respectively connected with a suitable prime mover.

The chamber 10, hereinbefore referred to, is formed by the cylinder 28and casing 9 and has communicating therewith the wastepipe 44.

The machine is provided with a feed-table for the material, and isindicated by the reference character 45. The table 45 rests upon the topof the casing 9 and is further supported by the vertical standard 46.The table 45 is provided with a conveyer-belt 46, operating over therollers 47. The table 45 is also provided with a feed-roller 48 andguide-board 49. The roller 47 at the inner end of the feed-table 45 isof such diameter as to cause the conveyer-belt 46 to extend slightlyover the inner edge of the collar 32, so that the material will passdirectly into the cylinder 28 in an uninterrupted manner. One of therollers 47 is driven in any suitable manner so as to impart motion tothe conveyer-belt 46. it

The construction and arrangement of th operating means for the cylinder28 and the spiral conveyer 41 are such that the conveyer will operate inthe same direction as the cylinder 28, but at a slightly-greater speed.

The operation of the machine is as follows: The material is spread in anordinary manner on the conveyer-belt 46, and when motion is impartedthereto the material is delivered between the inner roller 47 and thefeed-roller 48 and falls by gravity into the cylinder 28, it beingunderstood that the cylinder 28 and spiral conveyer are operating. Thelatter is driven in the same direction as the cylinder 28, but at aslightly-greater speed. The contrifugal force immediately draws thematerial to the inner surface of the cylinder or basket. The result isthat the conveyer gradually works the material down until it isdelivered out of the cylinder 28 in the chamber 2, where it is exhaustedby any suitable means. It will be stated that the difference in speedbetween the cylinder 28 and spiral conveyer 41 is regulated so as todeliver the material at any given time or to allow the material to havesufficient time in the cylinder 28 to properly remove all liquid fromit. It will be evident that if the cylinder 28 and spiral conveyer 41were traveling the same number of revolutions the material would remainin the machine; but as soon as the travel of the spiral conveyer 41 isfaster the material is gradually worked down and out. On the other hand,if the spiral conveyer 41 were stationary and the cylinder 28 travelingat a great speed, which is necessary to extract the water, the materialwould be passed through so quickly that it would not have sufiicienttime to remove the liquid. Consequently the best results are obtained byrunning the spiral conveyer 41 at only sufiicient additional speed todeliver the material in its best condition.

IIO

It is thought the'm'any advantages of my new-and improved centrifugalmachine for.

the continuous extracting of liquid from cotton or wool can be readilyunderstood from the foregoing description, taken inconnection with theaccompanying drawing, and it will furthermore be evident thatchanges,va-

riations, and modifications can be resorted to described and as shown inthe accompanying drawing, but reserve the right to make suchchanges,variations,and modifications as come properly within the-scopeof the protection prayed.

Having thus fullydescribed my invention, what I claim as new, and desireto secure by Letters Patent, is-

1. A centrifugal machine for extracting liquid from wool, cotton andthelike, comprising aperforated cylinder having its top provided with abeveled collar, a ball-bearing support for the top and bottom ofsaid'cylinder, means frictionally engaging with the beveled face of thecollar'for revolving the cylinder, a spiral conveyer arranged withinsaid cylinder, and operating means for said conveyer.

edly-open ends, a spiral conveyer arranged in said cylinder, operatingmeans for said conveyer, and operating means for said cylinder.'

4., A centrifugal machine for extracting liquid from wool, cotton andthelikecomprising a perforated revoluble cylinder havinguninterruptedly-open ends, a spiral conveyer arranged in said cylinder,operating means for said conveyer, and means frictionally engaging withthe top edge of said cylinder and adapted when operated to rotate thesaid cylinder. 5. In a centrifugal machine for extractin liquid fromwool, cotton and the like, a hollow base, a casing mounted thereon, aperforated cylinder arranged within said casing and supported at itsupper end upon said casing and at its lower end upon said base, saidcylinder projectingin said base, a shaft extending through said base andcylinder, a spiral conveyer carried by the said shaft, means engagingwith the top edge of said cylinder for rotating it, and means engagingwith said shaft for rotating it.

6. In a centrifugal machine for extracting liquid from wool, cotton andthe like, a base,

bearing-balls carried by said base, a casing mounted-upon said -base,bearing-balls carried by said casing, a perforated cylinder arrangedwithin said casing and extending partly in said base, said cylinder atits top mounted upon the bearing-balls carried by said casing, and atits bottom mounted upon the bearing-balls carried by said base, a spiralcon veyerarranged \vithi u said cylinder, means,

for rotating said cylinder, and means for rotating the said conveyer.

7. In a centrifugal machine for extracting liquid from Wool, cotton andthelike, a hollow base, a casing mounted thereon, a perforated cylinderarranged within said casing and supported at its upper end upon saidcasing and at its lower end upon said base, said cylinder projecting insaid base, a shaft extending through said base and cylinder, aspiral'conveyer carried by the said shaft, means frictionally engagingwith the top edge of said cylinder and adapted when operated to rotatethe said cylinder, and means engaging with said shaft for rotating'it.

8. Acentrifugal machine for extractingliquid from wool, cotton and thelike comprising a base, bearing-balls carried by said base, a casingmounted upon said base, bearing-balls carried by said casing, aperforated cylinder arranged within said'casing and extending partly insaid base, said cylinder at its top mounted upon the bearing-ballscarried by said casing and at its bottom mounted upon the bearing-ballscarried by said base, a spiralconveyer arranged within said cylinder,means frictionally engaging with the top edge of said cylinder andadapted when operated to rotate thesaid cylinder, and means for rotatingsaid conveyer. g

9. Acentrifugal machineforextractingliquid from wool, cotton and thelike comprising a perforated cylinderhaving uninterruptedlyopen'ends,means for supporting the lower end of said cylinder, a collar carried bythe upper end of said cylinder and provided with a bevel-face, meansengaging the said collar for supporting the upper end of said cylinder,means frictionally engaging the said bevelface of said collar andadapted when operated to rotate the said cylinder, a spiral conveyerarranged within said cylinder, and operating means for said conveyer.

10. In a centrifugal machine for extracting liquid from wool, cotton andthe like, a perfo rated cylinder, a ball-bearing support for the Ice IIC

porting the upper end of said cylinder, means frictionallyengaging withthe top edge of said cylinder and adapted when operated to rotate saidcylinder, a conveyer arranged within said cylinder, and operating meansfor said conveyer.

12. A centrifugal machine for extracting liquid from wool, cotton andthe like consisting of a base having its top provided with an openingand an annular groove, bearing-balls mounted in the said groove, acasing mounted upon the said base and provided with an inwardlyextending flange having a groove, bearing-balls mounted in the saidgroove, a perforated cylinder arranged within said casing, a bandcarried by the lower end of said cylinder and adapted to be mounted uponthe said bearing-balls carried by the top of the base for supporting thelower end of said cylinder, a collar carried by the top of said cylinderand provided with a bevelface and adapted to rest upon the balls carriedby the casing for supporting the top of said cylinder, meansfrictionally engaging the said bevelface and adapted when operated torotate the said cylinder, a spiral conveyer arranged within saidcylinder, and operating means for the said conveyer.

13. A centrifugal machine for extracting liquid from wool, cotton andthe like com prising a base having its top provided. with an opening andan annular groove, bearing-balls mounted in the said groove, a casingmounted upon the said base and provided with an inwardly-extendingflange having a groove, bearing-balls mounted in the said groove, aperforated cylinder arranged within said casing, a band carried by thelower end of said cylinder and adapted to be mounted upon the saidbearing-balls carried by the top of the base for supporting the lowerend of said cylinder, a collar carried by the top of said cylinder andprovided with a bevel-face and adapted to rest upon the balls carried bythe casing for supporting the top of said cylinder, a cone-pulleysupported by said casing and adapted to engage with said bevel-face andwhen operated to rotate the said cylinder, op erating means for saidpulley, a shaft extending through said base and cylinder and supportedby the said base and casing, a spiral conveyer carried by the said shaftand adapted to be rotated when said shaft is operated, and meansconnected with the upper end of said shaft for operating it.

14. A centrifugal machine for extracting liquid from wool, cotton andthe like comprising a perforated cylinder, supporting means therefor,means frictionally engaging with the top edge of the said cylinder andadapted when operated to rotate the said cylinder, a shaft extendingthrough said cylinder, a spiral conveyer carried by said shaft, saidconveyer of a width so as to extend from the periphery of the shaft tonear the inner face of said cylinder, and means engaging the said shaftfor operating it, causing thereby the rotation of said conveyer.

15. A centrifugal machine for extracting liquid from wool, cotton andthe like consisting of a perforated cylinder having uninterruptedly-openends,a ball-bearing support for the upper end of said cylinder, aball-bearing support for the lower end of said cylinder, a shaft"extending through said cylinder, a conveyer carried by said shaft andof a width so as to extend from the periphery of the shaft to near theinner face of said cylinder, means frictionally engaging with the topedge of said cylinder and adapted when operated to rotate the saidcylinder, and means engaging the said shaft and adapted to operate thesaid shaft, causing thereby the operation of said conveyer.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

JAMES A. WILLARD.

Witnesses:

H. PEARCE, P. O. TATUM.

